Time standards are set by Illinois Swimming Inc. (ISI), USA Swimming and the YMCA. The standards are provided for various ages, male/female and various pool sizes. The pool sizes include short course yards or SCY (25 yds, typical for indoor meets), short course meters or SCM (25 meters, some indoor meets) & long course meters or LCM (50 meters, typical outdoor meets).
YMCA State Time Standards: Swimmers, and Relays, may qualify for the IL YMCA State Championships at any meet throughout the season.
National YMCA Time Standards: A swimmer may achieve a qualifying time at any meet: IHSA, USA-S, or YMCA. To compete in the National YMCA Championships a swimmer must participate in the YMCA District Championship.
Illinois Swimming Time Standards: A swimmer may achieve a qualifying time at any meet. For an event in which a qualifying time was achieved outside a USA-S sanctioned meet, proof of time must be submitted at the time of entry.
National Age Group Motivation Times: These times are used at various meets for qualifying times or designation for awards. The AAA time standard is the Zone qualifying time for both Senior and Age Group swimming under the USA-S National Governing Body.